T-4000, DMX, LED RGB Controller 1, 5V~24V input 2, controller Full Color LED Light 3, CE& ... , surface light..3, It is 4 ports controller, each port can connect 512/1024 lights.4, Could play ... +, “SPEED-” speed- Note: T-4000 port controller, load 512 lights each port, the playback speed can be up to 30 ... if it connect more than 512 lights each port, the frame rate would automatically reduce according to ...